DK157672C - PROCESS FOR THE PREPARATION OF 2,4-DICHLOR- OR 2-METHYL-4-CHLORPHENOYXYEIC ACETIC ACID AND ALFA-2,4-DICHLOR- OR ALFA-2-METHYL-4-CHLORPHENOXYPROPIONIC ACID - Google Patents

PROCESS FOR THE PREPARATION OF 2,4-DICHLOR- OR 2-METHYL-4-CHLORPHENOYXYEIC ACETIC ACID AND ALFA-2,4-DICHLOR- OR ALFA-2-METHYL-4-CHLORPHENOXYPROPIONIC ACID

Info

Publication number: DK157672C
Authority: DK; Denmark
Prior art keywords: dichlor; alfa; methyl; acid; chlorphenoyxyeic
Prior art date: 1980-12-31

Application number

DK569681A

Other languages

Danish (da)

Other versions

DK569681A (en

DK157672B (en

Inventor

Gerd Husslein

Gerhard Hamprecht

Karl-Heinz Koenig

Walter Boehm

Manfred Gaeng

Original Assignee

Basf Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-12-31

Filing date

1981-12-22

Publication date

1990-07-16

1981-12-22 Application filed by Basf Ag filed Critical Basf Ag

1982-07-01 Publication of DK569681A publication Critical patent/DK569681A/en

1990-02-05 Publication of DK157672B publication Critical patent/DK157672B/en

1990-07-16 Application granted granted Critical

1990-07-16 Publication of DK157672C publication Critical patent/DK157672C/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DK569681A 1980-12-31 1981-12-22 PROCESS FOR THE PREPARATION OF 2,4-DICHLOR- OR 2-METHYL-4-CHLORPHENOYXYEIC ACETIC ACID AND ALFA-2,4-DICHLOR- OR ALFA-2-METHYL-4-CHLORPHENOXYPROPIONIC ACID DK157672C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3049541		1980-12-31
DE19803049541 DE3049541A1 (en)	1980-12-31	1980-12-31	METHOD FOR PRODUCING 2,4-DICHLORINE OR 2-METHYL-4-CHLORPHENOXY ACETIC ACID

Publications (3)

Publication Number	Publication Date
DK569681A DK569681A (en)	1982-07-01
DK157672B DK157672B (en)	1990-02-05
DK157672C true DK157672C (en)	1990-07-16

Family

ID=6120579

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK569681A DK157672C (en)	1980-12-31	1981-12-22	PROCESS FOR THE PREPARATION OF 2,4-DICHLOR- OR 2-METHYL-4-CHLORPHENOYXYEIC ACETIC ACID AND ALFA-2,4-DICHLOR- OR ALFA-2-METHYL-4-CHLORPHENOXYPROPIONIC ACID

Country Status (21)

Country	Link
US (1)	US4515985A (en)
EP (1)	EP0055357B1 (en)
JP (1)	JPS57123139A (en)
AR (1)	AR228633A1 (en)
AT (1)	ATE5812T1 (en)
AU (1)	AU539818B2 (en)
BR (1)	BR8108547A (en)
CA (1)	CA1182473A (en)
CS (1)	CS241493B2 (en)
DD (1)	DD201772A5 (en)
DE (2)	DE3049541A1 (en)
DK (1)	DK157672C (en)
ES (1)	ES8304911A1 (en)
GR (1)	GR75381B (en)
HU (1)	HU188736B (en)
IE (1)	IE52009B1 (en)
IL (1)	IL64475A (en)
IN (1)	IN155195B (en)
NZ (1)	NZ199356A (en)
PL (1)	PL130576B2 (en)
ZA (1)	ZA819006B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101955425B (en) *	2009-07-21	2012-12-05	常明	Process method for producing 2.4-D acid without wastewater
CN102285890A (en) *	2011-05-19	2011-12-21	江苏健谷化工有限公司	Preparation process of 2-methyl-4-dimethylamine chlorophenoxyacetate
CN104402707A (en) *	2014-12-15	2015-03-11	常熟市新腾化工有限公司	2,4-dichlorphenoxyacetic acid preparation method
CN117645540A (en)	2018-03-19	2024-03-05	山东润博生物科技有限公司	Preparation method of chlorophenoxycarboxylate
CN108727196A (en) *	2018-07-23	2018-11-02	安徽华星化工有限公司	A method of producing the esters of 2-methyl-4-chlorophenoxyacetic acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB688659A (en) *	1950-09-29	1953-03-11	Danske Gasvaerkers Tjaere Komp	Chlorinated phenoxyacetic acids
US2717907A (en) *	1952-11-12	1955-09-13	Fmc Corp	Preparation of 2, 4, 5-trichlorophenoxy acetic acid
FR1116266A (en) *	1954-12-10	1956-05-07		Process for preparing pure 2-methyl 4-chloro phenoxy acetic acid
DE1027680B (en) *	1955-07-13	1958-04-10	Schering Ag	Process for the preparation of 2-methyl-4-chlorophenoxyacetic acid and its salts
GB855504A (en) *	1958-03-27	1960-11-30	British Schering Ltd	Preparation of 2-methyl-4-chloro-phenoxy alkanoic acids

1980
- 1980-12-31 DE DE19803049541 patent/DE3049541A1/en not_active Withdrawn
1981
- 1981-10-24 DE DE8181108843T patent/DE3161899D1/en not_active Expired
- 1981-10-24 AT AT81108843T patent/ATE5812T1/en not_active IP Right Cessation
- 1981-10-24 EP EP81108843A patent/EP0055357B1/en not_active Expired
- 1981-11-03 GR GR66410A patent/GR75381B/el unknown
- 1981-12-07 IL IL64475A patent/IL64475A/en not_active IP Right Cessation
- 1981-12-07 IN IN1392/CAL/81A patent/IN155195B/en unknown
- 1981-12-09 CA CA000391845A patent/CA1182473A/en not_active Expired
- 1981-12-16 US US06/331,457 patent/US4515985A/en not_active Expired - Lifetime
- 1981-12-16 JP JP56201748A patent/JPS57123139A/en active Pending
- 1981-12-17 DD DD81235898A patent/DD201772A5/en not_active IP Right Cessation
- 1981-12-22 NZ NZ199356A patent/NZ199356A/en unknown
- 1981-12-22 CS CS819668A patent/CS241493B2/en unknown
- 1981-12-22 DK DK569681A patent/DK157672C/en not_active IP Right Cessation
- 1981-12-29 HU HU813987A patent/HU188736B/en unknown
- 1981-12-29 AR AR287982A patent/AR228633A1/en active
- 1981-12-29 PL PL1981234491A patent/PL130576B2/en unknown
- 1981-12-30 AU AU79066/81A patent/AU539818B2/en not_active Ceased
- 1981-12-30 ZA ZA819006A patent/ZA819006B/en unknown
- 1981-12-30 BR BR8108547A patent/BR8108547A/en unknown
- 1981-12-30 ES ES508452A patent/ES8304911A1/en not_active Expired
- 1981-12-30 IE IE3088/81A patent/IE52009B1/en unknown

Also Published As

Publication number	Publication date
PL234491A2 (en)	1982-09-13
DD201772A5 (en)	1983-08-10
IE52009B1 (en)	1987-05-13
IL64475A (en)	1986-02-28
EP0055357B1 (en)	1984-01-11
US4515985A (en)	1985-05-07
ATE5812T1 (en)	1984-01-15
PL130576B2 (en)	1984-08-31
GR75381B (en)	1984-07-13
DK569681A (en)	1982-07-01
DK157672B (en)	1990-02-05
IL64475A0 (en)	1982-03-31
HU188736B (en)	1986-05-28
AR228633A1 (en)	1983-03-30
ES508452A0 (en)	1983-03-16
AU7906681A (en)	1982-07-08
DE3161899D1 (en)	1984-02-16
CS241493B2 (en)	1986-03-13
CS966881A2 (en)	1985-07-16
DE3049541A1 (en)	1982-07-29
EP0055357A1 (en)	1982-07-07
JPS57123139A (en)	1982-07-31
AU539818B2 (en)	1984-10-18
CA1182473A (en)	1985-02-12
ES8304911A1 (en)	1983-03-16
IN155195B (en)	1985-01-12
ZA819006B (en)	1982-12-29
NZ199356A (en)	1984-03-30
IE813088L (en)	1982-06-30
BR8108547A (en)	1982-10-19

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Legal Events

Date	Code	Title	Description
2002-01-14	PUP	Patent expired